CVE-2022-41858
HIGHCVSS 7.1/10EPSS 0.27%
Last modified
CVE-2022-41858 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. A flaw was found in the Linux kernel. A NULL pointer dereference may occur while a slip driver is in progress to detach in sl_tx_timeout in drivers/net/slip/slip.c. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
A flaw was found in the Linux kernel. A NULL pointer dereference may occur while a slip driver is in progress to detach in sl_tx_timeout in drivers/net/slip/slip.c. This issue could allow an attacker to crash the system or leak internal kernel information.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.9.311 |
| Linux | Linux Kernel | >= 4.10, < 4.14.276 |
| Linux | Linux Kernel | >= 4.15, < 4.19.239 |
| Linux | Linux Kernel | >= 4.20, < 5.4.190 |
| Linux | Linux Kernel | >= 5.5.0, < 5.10.112 |
| Linux | Linux Kernel | >= 5.11, < 5.15.35 |
| Linux | Linux Kernel | >= 5.16, < 5.17.4 |
| Netapp | Hci Baseboard Management Controller | h300s |
| Netapp | Hci Baseboard Management Controller | h410c |
| Netapp | Hci Baseboard Management Controller | h410s |
| Netapp | Hci Baseboard Management Controller | h500s |
| Netapp | Hci Baseboard Management Controller | h700s |
References
- https://github.com/torvalds/linux/commit/ec4eb8a86ade4d22633e1da2a7d85a846b7d1798Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230223-0006/Third Party Advisory
- https://github.com/torvalds/linux/commit/ec4eb8a86ade4d22633e1da2a7d85a846b7d1798Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230223-0006/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-41858?
A flaw was found in the Linux kernel. A NULL pointer dereference may occur while a slip driver is in progress to detach in sl_tx_timeout in drivers/net/slip/slip.c. This issue could allow an attacker to crash the system or leak internal kernel information.
How severe is CVE-2022-41858?
CVE-2022-41858 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2022-41858?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2022-41858?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST